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ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C++内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C++内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C++内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网移动版 - 专注C++内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
ATL CComPtr和CComQIPtr详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...
void Func(IUnknown * punk)
{
CComQIPtr<IXXX> pno(punk);
if(pno)
{
//正确转换
pno->doSomething();
}
}
(2) 赋值
赋值的时候,发生下面三件事:
如果当前指针不为空,那么释放当前指针
如果源指针不为空,那...
Async Image Loader Extension:异步图像加载器扩展 - App Inventor 2 拓展...
...e loader since it does not uses any external library to load images.
Specifications[size=15.008px] Size: 9.36 KB
Version: 5.0
Minimum API Level: 7
Updated On: February 18, 2025 (Calcutta)
Built & documented using: [color=var(--tertiary)]FAST-CLI 12Event:[size=15.008px]AsyncI...
Random strings in Python
... Neat! I'm actually using this for a random password generator now! Thanks!
– chandsie
Apr 15 '11 at 0:45
13
...
What is lexical scope?
...t deduce the outer dynamic scope of a function, consider our last example. If we write something like this:
if(/* some condition */)
dummy1();
else
dummy2();
The call chain depends on a run time condition. If it is true, then the call chain looks like:
dummy1 --> fun()
If the condit...
